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The pebble fines contribution into radiation environment of the river Yenisei floodplain in an influence zone of the Krasnoyarsk mining and chemical combine (KMCC)

Published online by Cambridge University Press:  09 January 2012

J. Barescut ,
D. Lariviere ,
T. Stocki ,
F.V. Sukhorukov ,
M.S. Melgunov  and
A.V. Chuguevskii
F.V. Sukhorukov
Affiliation:
V.S.Sobolev Institute of geology and mineralogy SB RAS, Novosibirsk, pr. ac. Koptyuga, 3, Russia
M.S. Melgunov
Affiliation:
V.S.Sobolev Institute of geology and mineralogy SB RAS, Novosibirsk, pr. ac. Koptyuga, 3, Russia
A.V. Chuguevskii
Affiliation:
V.S.Sobolev Institute of geology and mineralogy SB RAS, Novosibirsk, pr. ac. Koptyuga, 3, Russia
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Abstract

The results of investigation of radioactive contamination of the river Yenisei bed pebbles in an influence zone of the KMCC (especially in its near-field part) are presented in this work. It is demonstrated, that pebbles can contain up to 30 % of the total amount of γ-emitting technogenic radionuclides (TRN) in the places with overlying soils. In addition, river bed pebbles, situated in permanently washing riverside sections of islands and banks, can contain significant amount of TRN too. These facts considerably increase an estimation of TRN reserves in the Yenisei floodplain. Without the contribution of the river bed pebbles the fraction of TRN, accumulated in the underlying and tow path pebbles in the near and far-field influence zones of the KMCC, can reach 7,9% for 137Cs, 5,8% for 152Eu, 5,6% for 154Eu and <3% for 60Co of their total amount.

Type
Research Article
Information
Radioprotection , Volume 46 , Issue 6: ICRER 2011 – International Conference on Radioecology & Environmental Radioactivity: Environment & Nuclear Renaissance , 2011 , pp. S17 - S23
Copyright
© Owned by the authors, published by EDP Sciences, 2011

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References

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